Have you installed DVDReader application? You might have to use a utility(application) called Pacifist (download from versiontracker.com) to extract it from the installation disk. --Steve At 10:54 AM +0100 11/13/04, Noel wrote: >I replaced the original CD-burner in my G4/466 zith a Pioneer 105 >(=Superdrive). >I reads and writes CD's, does not read DVDs.